The show itself sure, but Graham Hancock just happens to be the loudest proponent of this theory, there is solid evidence to support it, from Randall Carlson an

The show itself sure, but Graham Hancock just happens to be the loudest proponent of this theory, there is solid evidence to support it, from Randall Carlson and a few other people I’m not remembering atm. https://en.m.wikipedia.org/wiki/Younger_Dryas_impact_hypothesis https://en.m.wikipedia.org/wiki/Younger_Dryas_impact_hypothe... “Although initially sceptical, Wallace Broecker—the scientist who proposed the conveyor shutdown hypothesis—eventually agreed with the idea of an extraterrestrial impact at the Younger Dryas boundary, and thought that it had acted as a trigger on top of a system that was already approaching instability.”